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# Copyright 2013 Mathias WOLFF |
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# This file is part of pyfreebilling. |
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# |
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# pyfreebilling is free software: you can redistribute it and/or modify |
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# it under the terms of the GNU General Public License as published by |
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# the Free Software Foundation, either version 3 of the License, or |
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# (at your option) any later version. |
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# |
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# pyfreebilling is distributed in the hope that it will be useful, |
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# but WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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# GNU General Public License for more details. |
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# |
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# You should have received a copy of the GNU General Public License |
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# along with pyfreebilling. If not, see <http://www.gnu.org/licenses/> |
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# -*- coding: utf-8 -*- |
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from datetime import timedelta |
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from django.utils.translation import ugettext_lazy as _ |
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import datetime |
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from qsstats import QuerySetStats |
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from admin_tools.dashboard import modules |
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class BaseChart(modules.DashboardModule): |
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""" |
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Dashboard module with user registration charts. |
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With default values it is suited best for 2-column dashboard layouts. |
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""" |
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title = _('Stats chart') |
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template = 'admin/pyfreebill/stats/chart.html' |
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chart_size = "580x100" |
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days = None |
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interval = 'days' |
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queryset = None |
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date_field = 'date' |
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def is_empty(self): |
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return False |
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def __init__(self, *args, **kwargs): |
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super(BaseChart, self).__init__(*args, **kwargs) |
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if self.days is None: |
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self.days = {'days': 30, 'weeks': 30*7, 'months': 30*12}[self.interval] |
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self.data = self.get_data(self.interval, self.days) |
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self.prepare_template_data(self.data) |
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def get_caption(self, dt): |
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return { |
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'days': dt.day, |
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'months': dt.strftime("%b"), |
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'weeks': dt.strftime('%W'), |
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}[self.interval] |
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# @cached(60*5) |
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def get_data(self, interval, days): |
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""" Returns an array with new users count per interval """ |
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stats = QuerySetStats(self.queryset, self.date_field) |
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today = datetime.date.today() |
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begin = today - datetime.timedelta(days=days-1) |
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return stats.time_series(begin, today, interval) |
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def prepare_template_data(self, data): |
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""" Prepares data for template (it is passed as module attributes) """ |
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self.captions = [self.get_caption(t[0]) for t in data] |
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self.values = [t[1] for t in data] |
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self.max_value = max(self.values) |
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class BaseCharts(modules.Group): |
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""" Group module with 3 default registration charts """ |
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title = _('Stats') |
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chart_model = BaseChart |
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def __init__(self, *args, **kwargs): |
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kwargs.setdefault('children', self.get_charts()) |
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super(BaseCharts, self).__init__(*args, **kwargs) |
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def get_charts(self): |
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""" Returns 3 basic chart modules (per-day, per-week and per-month) """ |
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return [ |
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self.chart_model(_('By Day'), interval='days'), |
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self.chart_model(_('By Week'), interval='weeks'), |
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self.chart_model(_('By Month'), interval='months'), |
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] |
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mwolff44 /
pyfreebilling
